Camera inspection system and camera inspection method
The camera inspection system addresses the challenge of detecting camera abnormalities in autonomous driving systems by altering illumination and comparing brightness changes, facilitating efficient detection of image fixation without extensive calculations.
JP2026099016APending Publication Date: 2026-06-18RENESAS ELECTRONICS CORP
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- RENESAS ELECTRONICS CORP
- Filing Date
- 2024-12-06
- Publication Date
- 2026-06-18
AI Technical Summary
Technical Problem
Existing methods for detecting camera abnormalities in autonomous driving systems require extensive calculations, making them unsuitable for highly available systems like Level 3 or higher autonomous driving systems.
Method used
A camera inspection system that includes an external environment changer to alter the imaging illumination, an average brightness calculator, and an inspection device to compare the timing of illumination changes with average brightness to detect image fixation.
Benefits of technology
Enables simple and efficient detection of image fixation in in-vehicle cameras, reducing the need for complex calculations and applicable to highly available systems.
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Smart Images
Figure 2026099016000001_ABST
Abstract
This disclosure provides a camera inspection system and method for determining the presence or absence of abnormalities during image fixation using a relatively simple method. [Solution] The camera inspection system according to this disclosure includes: an external environment changer that receives an inspection signal and changes the brightness in a frame image captured by a camera by changing the imaging illumination of a camera fixed to a vehicle; an average brightness calculator that calculates the average brightness in each frame image captured by the camera within a predetermined period; and an inspection device that compares the inspection signal with the average brightness in each frame image and generates a fault detection signal indicating image fixation when the timing of the change in the inspection signal and the change in the average brightness in the image do not match.
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